1525 lines
49 KiB
C
1525 lines
49 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "uv.h"
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#include "os.h"
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#include "fnLog.h"
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#include "tudf.h"
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#include "tudfInt.h"
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#include "tarray.h"
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#include "tdatablock.h"
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#include "querynodes.h"
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#include "builtinsimpl.h"
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#include "functionMgt.h"
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//TODO: add unit test
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//TODO: include all global variable under context struct
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typedef struct SUdfdData {
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bool startCalled;
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bool needCleanUp;
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uv_loop_t loop;
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uv_thread_t thread;
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uv_barrier_t barrier;
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uv_process_t process;
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int spawnErr;
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uv_pipe_t ctrlPipe;
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uv_async_t stopAsync;
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int32_t stopCalled;
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int32_t dnodeId;
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} SUdfdData;
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SUdfdData udfdGlobal = {0};
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static int32_t udfSpawnUdfd(SUdfdData *pData);
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void udfUdfdExit(uv_process_t *process, int64_t exitStatus, int termSignal) {
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fnInfo("udfd process exited with status %" PRId64 ", signal %d", exitStatus, termSignal);
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SUdfdData *pData = process->data;
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if (exitStatus == 0 && termSignal == 0 || atomic_load_32(&pData->stopCalled)) {
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fnInfo("udfd process exit due to SIGINT or dnode-mgmt called stop");
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} else {
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fnInfo("udfd process restart");
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udfSpawnUdfd(pData);
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}
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}
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static int32_t udfSpawnUdfd(SUdfdData* pData) {
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fnInfo("dnode start spawning udfd");
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uv_process_options_t options = {0};
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char path[PATH_MAX] = {0};
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if (tsProcPath == NULL) {
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path[0] = '.';
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} else {
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strncpy(path, tsProcPath, strlen(tsProcPath));
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taosDirName(path);
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}
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#ifdef WINDOWS
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strcat(path, "udfd.exe");
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#else
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strcat(path, "/udfd");
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#endif
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char* argsUdfd[] = {path, "-c", configDir, NULL};
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options.args = argsUdfd;
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options.file = path;
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options.exit_cb = udfUdfdExit;
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uv_pipe_init(&pData->loop, &pData->ctrlPipe, 1);
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uv_stdio_container_t child_stdio[3];
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child_stdio[0].flags = UV_CREATE_PIPE | UV_READABLE_PIPE;
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child_stdio[0].data.stream = (uv_stream_t*) &pData->ctrlPipe;
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child_stdio[1].flags = UV_IGNORE;
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child_stdio[2].flags = UV_INHERIT_FD;
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child_stdio[2].data.fd = 2;
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options.stdio_count = 3;
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options.stdio = child_stdio;
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options.flags = UV_PROCESS_DETACHED;
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char dnodeIdEnvItem[32] = {0};
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char thrdPoolSizeEnvItem[32] = {0};
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snprintf(dnodeIdEnvItem, 32, "%s=%d", "DNODE_ID", pData->dnodeId);
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float numCpuCores = 4;
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taosGetCpuCores(&numCpuCores);
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snprintf(thrdPoolSizeEnvItem,32, "%s=%d", "UV_THREADPOOL_SIZE", (int)numCpuCores*2);
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char* envUdfd[] = {dnodeIdEnvItem, thrdPoolSizeEnvItem, NULL};
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options.env = envUdfd;
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int err = uv_spawn(&pData->loop, &pData->process, &options);
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pData->process.data = (void*)pData;
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if (err != 0) {
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fnError("can not spawn udfd. path: %s, error: %s", path, uv_strerror(err));
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}
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return err;
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}
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static void udfUdfdCloseWalkCb(uv_handle_t* handle, void* arg) {
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if (!uv_is_closing(handle)) {
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uv_close(handle, NULL);
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}
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}
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static void udfUdfdStopAsyncCb(uv_async_t *async) {
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SUdfdData *pData = async->data;
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uv_stop(&pData->loop);
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}
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static void udfWatchUdfd(void *args) {
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SUdfdData *pData = args;
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uv_loop_init(&pData->loop);
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uv_async_init(&pData->loop, &pData->stopAsync, udfUdfdStopAsyncCb);
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pData->stopAsync.data = pData;
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int32_t err = udfSpawnUdfd(pData);
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atomic_store_32(&pData->spawnErr, err);
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uv_barrier_wait(&pData->barrier);
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uv_run(&pData->loop, UV_RUN_DEFAULT);
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uv_loop_close(&pData->loop);
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uv_walk(&pData->loop, udfUdfdCloseWalkCb, NULL);
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uv_run(&pData->loop, UV_RUN_DEFAULT);
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uv_loop_close(&pData->loop);
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return;
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}
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int32_t udfStartUdfd(int32_t startDnodeId) {
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SUdfdData *pData = &udfdGlobal;
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if (pData->startCalled) {
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fnInfo("dnode-mgmt start udfd already called");
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return 0;
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}
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pData->startCalled = true;
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char dnodeId[8] = {0};
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snprintf(dnodeId, sizeof(dnodeId), "%d", startDnodeId);
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uv_os_setenv("DNODE_ID", dnodeId);
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pData->dnodeId = startDnodeId;
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uv_barrier_init(&pData->barrier, 2);
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uv_thread_create(&pData->thread, udfWatchUdfd, pData);
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uv_barrier_wait(&pData->barrier);
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int32_t err = atomic_load_32(&pData->spawnErr);
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if (err != 0) {
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uv_barrier_destroy(&pData->barrier);
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uv_async_send(&pData->stopAsync);
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uv_thread_join(&pData->thread);
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pData->needCleanUp = false;
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fnInfo("dnode-mgmt udfd cleaned up after spawn err");
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} else {
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pData->needCleanUp = true;
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}
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return err;
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}
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int32_t udfStopUdfd() {
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SUdfdData *pData = &udfdGlobal;
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fnInfo("dnode-mgmt to stop udfd. need cleanup: %d, spawn err: %d",
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pData->needCleanUp, pData->spawnErr);
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if (!pData->needCleanUp || atomic_load_32(&pData->stopCalled)) {
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return 0;
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}
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atomic_store_32(&pData->stopCalled, 1);
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pData->needCleanUp = false;
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uv_barrier_destroy(&pData->barrier);
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uv_async_send(&pData->stopAsync);
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uv_thread_join(&pData->thread);
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fnInfo("dnode-mgmt udfd cleaned up");
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return 0;
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}
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//==============================================================================================
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/* Copyright (c) 2013, Ben Noordhuis <info@bnoordhuis.nl>
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* The QUEUE is copied from queue.h under libuv
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* */
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typedef void *QUEUE[2];
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/* Private macros. */
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#define QUEUE_NEXT(q) (*(QUEUE **) &((*(q))[0]))
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#define QUEUE_PREV(q) (*(QUEUE **) &((*(q))[1]))
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#define QUEUE_PREV_NEXT(q) (QUEUE_NEXT(QUEUE_PREV(q)))
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#define QUEUE_NEXT_PREV(q) (QUEUE_PREV(QUEUE_NEXT(q)))
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/* Public macros. */
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#define QUEUE_DATA(ptr, type, field) \
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((type *) ((char *) (ptr) - offsetof(type, field)))
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/* Important note: mutating the list while QUEUE_FOREACH is
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* iterating over its elements results in undefined behavior.
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*/
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#define QUEUE_FOREACH(q, h) \
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for ((q) = QUEUE_NEXT(h); (q) != (h); (q) = QUEUE_NEXT(q))
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#define QUEUE_EMPTY(q) \
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((const QUEUE *) (q) == (const QUEUE *) QUEUE_NEXT(q))
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#define QUEUE_HEAD(q) \
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(QUEUE_NEXT(q))
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#define QUEUE_INIT(q) \
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do { \
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QUEUE_NEXT(q) = (q); \
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QUEUE_PREV(q) = (q); \
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} \
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while (0)
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#define QUEUE_ADD(h, n) \
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do { \
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QUEUE_PREV_NEXT(h) = QUEUE_NEXT(n); \
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QUEUE_NEXT_PREV(n) = QUEUE_PREV(h); \
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QUEUE_PREV(h) = QUEUE_PREV(n); \
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QUEUE_PREV_NEXT(h) = (h); \
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} \
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while (0)
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#define QUEUE_SPLIT(h, q, n) \
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do { \
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QUEUE_PREV(n) = QUEUE_PREV(h); \
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QUEUE_PREV_NEXT(n) = (n); \
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QUEUE_NEXT(n) = (q); \
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QUEUE_PREV(h) = QUEUE_PREV(q); \
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QUEUE_PREV_NEXT(h) = (h); \
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QUEUE_PREV(q) = (n); \
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} \
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while (0)
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#define QUEUE_MOVE(h, n) \
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do { \
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if (QUEUE_EMPTY(h)) \
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QUEUE_INIT(n); \
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else { \
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QUEUE* q = QUEUE_HEAD(h); \
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QUEUE_SPLIT(h, q, n); \
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} \
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} \
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while (0)
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#define QUEUE_INSERT_HEAD(h, q) \
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do { \
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QUEUE_NEXT(q) = QUEUE_NEXT(h); \
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QUEUE_PREV(q) = (h); \
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QUEUE_NEXT_PREV(q) = (q); \
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QUEUE_NEXT(h) = (q); \
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} \
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while (0)
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#define QUEUE_INSERT_TAIL(h, q) \
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do { \
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QUEUE_NEXT(q) = (h); \
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QUEUE_PREV(q) = QUEUE_PREV(h); \
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QUEUE_PREV_NEXT(q) = (q); \
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QUEUE_PREV(h) = (q); \
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} \
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while (0)
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#define QUEUE_REMOVE(q) \
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do { \
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QUEUE_PREV_NEXT(q) = QUEUE_NEXT(q); \
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QUEUE_NEXT_PREV(q) = QUEUE_PREV(q); \
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} \
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while (0)
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enum {
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UV_TASK_CONNECT = 0,
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UV_TASK_REQ_RSP = 1,
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UV_TASK_DISCONNECT = 2
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};
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int64_t gUdfTaskSeqNum = 0;
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typedef struct SUdfdProxy {
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char udfdPipeName[PATH_MAX + UDF_LISTEN_PIPE_NAME_LEN + 2];
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uv_barrier_t gUdfInitBarrier;
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uv_loop_t gUdfdLoop;
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uv_thread_t gUdfLoopThread;
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uv_async_t gUdfLoopTaskAync;
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uv_async_t gUdfLoopStopAsync;
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uv_mutex_t gUdfTaskQueueMutex;
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int8_t gUdfcState;
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QUEUE gUdfTaskQueue;
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QUEUE gUvProcTaskQueue;
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int8_t initialized;
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} SUdfdProxy;
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SUdfdProxy gUdfdProxy = {0};
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typedef struct SClientUdfUvSession {
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SUdfdProxy *udfc;
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int64_t severHandle;
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uv_pipe_t *udfUvPipe;
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int8_t outputType;
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int32_t outputLen;
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int32_t bufSize;
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} SClientUdfUvSession;
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typedef struct SClientUvTaskNode {
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SUdfdProxy *udfc;
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int8_t type;
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int errCode;
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uv_pipe_t *pipe;
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int64_t seqNum;
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uv_buf_t reqBuf;
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uv_sem_t taskSem;
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uv_buf_t rspBuf;
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QUEUE recvTaskQueue;
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QUEUE procTaskQueue;
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QUEUE connTaskQueue;
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} SClientUvTaskNode;
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typedef struct SClientUdfTask {
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int8_t type;
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SClientUdfUvSession *session;
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int32_t errCode;
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union {
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struct {
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SUdfSetupRequest req;
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SUdfSetupResponse rsp;
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} _setup;
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struct {
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SUdfCallRequest req;
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SUdfCallResponse rsp;
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} _call;
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struct {
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SUdfTeardownRequest req;
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SUdfTeardownResponse rsp;
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} _teardown;
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};
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} SClientUdfTask;
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typedef struct SClientConnBuf {
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char *buf;
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int32_t len;
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int32_t cap;
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int32_t total;
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} SClientConnBuf;
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typedef struct SClientUvConn {
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uv_pipe_t *pipe;
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QUEUE taskQueue;
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SClientConnBuf readBuf;
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SClientUdfUvSession *session;
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} SClientUvConn;
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enum {
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UDFC_STATE_INITAL = 0, // initial state
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UDFC_STATE_STARTNG, // starting after udfcOpen
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UDFC_STATE_READY, // started and begin to receive quests
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UDFC_STATE_STOPPING, // stopping after udfcClose
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};
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int32_t getUdfdPipeName(char* pipeName, int32_t size) {
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char dnodeId[8] = {0};
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size_t dnodeIdSize = sizeof(dnodeId);
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int32_t err = uv_os_getenv(UDF_DNODE_ID_ENV_NAME, dnodeId, &dnodeIdSize);
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if (err != 0) {
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fnError("get dnode id from env. error: %s.", uv_err_name(err));
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dnodeId[0] = '1';
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}
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#ifdef _WIN32
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snprintf(pipeName, size, "%s%s", UDF_LISTEN_PIPE_NAME_PREFIX, dnodeId);
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#else
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snprintf(pipeName, size, "%s/%s%s", tsDataDir, UDF_LISTEN_PIPE_NAME_PREFIX, dnodeId);
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#endif
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fnInfo("get dnode id from env. dnode id: %s. pipe path: %s", dnodeId, pipeName);
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return 0;
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}
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int32_t encodeUdfSetupRequest(void **buf, const SUdfSetupRequest *setup) {
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int32_t len = 0;
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len += taosEncodeBinary(buf, setup->udfName, TSDB_FUNC_NAME_LEN);
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return len;
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}
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void* decodeUdfSetupRequest(const void* buf, SUdfSetupRequest *request) {
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buf = taosDecodeBinaryTo(buf, request->udfName, TSDB_FUNC_NAME_LEN);
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return (void*)buf;
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}
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int32_t encodeUdfInterBuf(void **buf, const SUdfInterBuf* state) {
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int32_t len = 0;
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len += taosEncodeFixedI8(buf, state->numOfResult);
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len += taosEncodeFixedI32(buf, state->bufLen);
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len += taosEncodeBinary(buf, state->buf, state->bufLen);
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return len;
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}
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void* decodeUdfInterBuf(const void* buf, SUdfInterBuf* state) {
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buf = taosDecodeFixedI8(buf, &state->numOfResult);
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buf = taosDecodeFixedI32(buf, &state->bufLen);
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buf = taosDecodeBinary(buf, (void**)&state->buf, state->bufLen);
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return (void*)buf;
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}
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int32_t encodeUdfCallRequest(void **buf, const SUdfCallRequest *call) {
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int32_t len = 0;
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len += taosEncodeFixedI64(buf, call->udfHandle);
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len += taosEncodeFixedI8(buf, call->callType);
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if (call->callType == TSDB_UDF_CALL_SCALA_PROC) {
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len += tEncodeDataBlock(buf, &call->block);
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} else if (call->callType == TSDB_UDF_CALL_AGG_INIT) {
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len += taosEncodeFixedI8(buf, call->initFirst);
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} else if (call->callType == TSDB_UDF_CALL_AGG_PROC) {
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len += tEncodeDataBlock(buf, &call->block);
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len += encodeUdfInterBuf(buf, &call->interBuf);
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} else if (call->callType == TSDB_UDF_CALL_AGG_MERGE) {
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len += encodeUdfInterBuf(buf, &call->interBuf);
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len += encodeUdfInterBuf(buf, &call->interBuf2);
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} else if (call->callType == TSDB_UDF_CALL_AGG_FIN) {
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len += encodeUdfInterBuf(buf, &call->interBuf);
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}
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return len;
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}
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void* decodeUdfCallRequest(const void* buf, SUdfCallRequest* call) {
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buf = taosDecodeFixedI64(buf, &call->udfHandle);
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buf = taosDecodeFixedI8(buf, &call->callType);
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switch (call->callType) {
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case TSDB_UDF_CALL_SCALA_PROC:
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buf = tDecodeDataBlock(buf, &call->block);
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break;
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case TSDB_UDF_CALL_AGG_INIT:
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buf = taosDecodeFixedI8(buf, &call->initFirst);
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break;
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case TSDB_UDF_CALL_AGG_PROC:
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buf = tDecodeDataBlock(buf, &call->block);
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buf = decodeUdfInterBuf(buf, &call->interBuf);
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break;
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case TSDB_UDF_CALL_AGG_MERGE:
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buf = decodeUdfInterBuf(buf, &call->interBuf);
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buf = decodeUdfInterBuf(buf, &call->interBuf2);
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break;
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case TSDB_UDF_CALL_AGG_FIN:
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buf = decodeUdfInterBuf(buf, &call->interBuf);
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break;
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}
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return (void*)buf;
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}
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int32_t encodeUdfTeardownRequest(void **buf, const SUdfTeardownRequest *teardown) {
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int32_t len = 0;
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len += taosEncodeFixedI64(buf, teardown->udfHandle);
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return len;
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}
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void* decodeUdfTeardownRequest(const void* buf, SUdfTeardownRequest *teardown) {
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buf = taosDecodeFixedI64(buf, &teardown->udfHandle);
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return (void*)buf;
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}
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int32_t encodeUdfRequest(void** buf, const SUdfRequest* request) {
|
|
int32_t len = 0;
|
|
if (buf == NULL) {
|
|
len += sizeof(request->msgLen);
|
|
} else {
|
|
*(int32_t*)(*buf) = request->msgLen;
|
|
*buf = POINTER_SHIFT(*buf, sizeof(request->msgLen));
|
|
}
|
|
len += taosEncodeFixedI64(buf, request->seqNum);
|
|
len += taosEncodeFixedI8(buf, request->type);
|
|
if (request->type == UDF_TASK_SETUP) {
|
|
len += encodeUdfSetupRequest(buf, &request->setup);
|
|
} else if (request->type == UDF_TASK_CALL) {
|
|
len += encodeUdfCallRequest(buf, &request->call);
|
|
} else if (request->type == UDF_TASK_TEARDOWN) {
|
|
len += encodeUdfTeardownRequest(buf, &request->teardown);
|
|
}
|
|
return len;
|
|
}
|
|
|
|
void* decodeUdfRequest(const void* buf, SUdfRequest* request) {
|
|
request->msgLen = *(int32_t*)(buf);
|
|
buf = POINTER_SHIFT(buf, sizeof(request->msgLen));
|
|
|
|
buf = taosDecodeFixedI64(buf, &request->seqNum);
|
|
buf = taosDecodeFixedI8(buf, &request->type);
|
|
|
|
if (request->type == UDF_TASK_SETUP) {
|
|
buf = decodeUdfSetupRequest(buf, &request->setup);
|
|
} else if (request->type == UDF_TASK_CALL) {
|
|
buf = decodeUdfCallRequest(buf, &request->call);
|
|
} else if (request->type == UDF_TASK_TEARDOWN) {
|
|
buf = decodeUdfTeardownRequest(buf, &request->teardown);
|
|
}
|
|
return (void*)buf;
|
|
}
|
|
|
|
int32_t encodeUdfSetupResponse(void **buf, const SUdfSetupResponse *setupRsp) {
|
|
int32_t len = 0;
|
|
len += taosEncodeFixedI64(buf, setupRsp->udfHandle);
|
|
len += taosEncodeFixedI8(buf, setupRsp->outputType);
|
|
len += taosEncodeFixedI32(buf, setupRsp->outputLen);
|
|
len += taosEncodeFixedI32(buf, setupRsp->bufSize);
|
|
return len;
|
|
}
|
|
|
|
void* decodeUdfSetupResponse(const void* buf, SUdfSetupResponse* setupRsp) {
|
|
buf = taosDecodeFixedI64(buf, &setupRsp->udfHandle);
|
|
buf = taosDecodeFixedI8(buf, &setupRsp->outputType);
|
|
buf = taosDecodeFixedI32(buf, &setupRsp->outputLen);
|
|
buf = taosDecodeFixedI32(buf, &setupRsp->bufSize);
|
|
return (void*)buf;
|
|
}
|
|
|
|
int32_t encodeUdfCallResponse(void **buf, const SUdfCallResponse *callRsp) {
|
|
int32_t len = 0;
|
|
len += taosEncodeFixedI8(buf, callRsp->callType);
|
|
switch (callRsp->callType) {
|
|
case TSDB_UDF_CALL_SCALA_PROC:
|
|
len += tEncodeDataBlock(buf, &callRsp->resultData);
|
|
break;
|
|
case TSDB_UDF_CALL_AGG_INIT:
|
|
len += encodeUdfInterBuf(buf, &callRsp->resultBuf);
|
|
break;
|
|
case TSDB_UDF_CALL_AGG_PROC:
|
|
len += encodeUdfInterBuf(buf, &callRsp->resultBuf);
|
|
break;
|
|
case TSDB_UDF_CALL_AGG_MERGE:
|
|
len += encodeUdfInterBuf(buf, &callRsp->resultBuf);
|
|
break;
|
|
case TSDB_UDF_CALL_AGG_FIN:
|
|
len += encodeUdfInterBuf(buf, &callRsp->resultBuf);
|
|
break;
|
|
}
|
|
return len;
|
|
}
|
|
|
|
void* decodeUdfCallResponse(const void* buf, SUdfCallResponse* callRsp) {
|
|
buf = taosDecodeFixedI8(buf, &callRsp->callType);
|
|
switch (callRsp->callType) {
|
|
case TSDB_UDF_CALL_SCALA_PROC:
|
|
buf = tDecodeDataBlock(buf, &callRsp->resultData);
|
|
break;
|
|
case TSDB_UDF_CALL_AGG_INIT:
|
|
buf = decodeUdfInterBuf(buf, &callRsp->resultBuf);
|
|
break;
|
|
case TSDB_UDF_CALL_AGG_PROC:
|
|
buf = decodeUdfInterBuf(buf, &callRsp->resultBuf);
|
|
break;
|
|
case TSDB_UDF_CALL_AGG_MERGE:
|
|
buf = decodeUdfInterBuf(buf, &callRsp->resultBuf);
|
|
break;
|
|
case TSDB_UDF_CALL_AGG_FIN:
|
|
buf = decodeUdfInterBuf(buf, &callRsp->resultBuf);
|
|
break;
|
|
}
|
|
return (void*)buf;
|
|
}
|
|
|
|
int32_t encodeUdfTeardownResponse(void** buf, const SUdfTeardownResponse* teardownRsp) {
|
|
return 0;
|
|
}
|
|
|
|
void* decodeUdfTeardownResponse(const void* buf, SUdfTeardownResponse* teardownResponse) {
|
|
return (void*)buf;
|
|
}
|
|
|
|
int32_t encodeUdfResponse(void** buf, const SUdfResponse* rsp) {
|
|
int32_t len = 0;
|
|
if (buf == NULL) {
|
|
len += sizeof(rsp->msgLen);
|
|
} else {
|
|
*(int32_t*)(*buf) = rsp->msgLen;
|
|
*buf = POINTER_SHIFT(*buf, sizeof(rsp->msgLen));
|
|
}
|
|
|
|
if (buf == NULL) {
|
|
len += sizeof(rsp->seqNum);
|
|
} else {
|
|
*(int64_t*)(*buf) = rsp->seqNum;
|
|
*buf = POINTER_SHIFT(*buf, sizeof(rsp->seqNum));
|
|
}
|
|
|
|
len += taosEncodeFixedI64(buf, rsp->seqNum);
|
|
len += taosEncodeFixedI8(buf, rsp->type);
|
|
len += taosEncodeFixedI32(buf, rsp->code);
|
|
|
|
switch (rsp->type) {
|
|
case UDF_TASK_SETUP:
|
|
len += encodeUdfSetupResponse(buf, &rsp->setupRsp);
|
|
break;
|
|
case UDF_TASK_CALL:
|
|
len += encodeUdfCallResponse(buf, &rsp->callRsp);
|
|
break;
|
|
case UDF_TASK_TEARDOWN:
|
|
len += encodeUdfTeardownResponse(buf, &rsp->teardownRsp);
|
|
break;
|
|
default:
|
|
//TODO: log error
|
|
break;
|
|
}
|
|
return len;
|
|
}
|
|
|
|
void* decodeUdfResponse(const void* buf, SUdfResponse* rsp) {
|
|
rsp->msgLen = *(int32_t*)(buf);
|
|
buf = POINTER_SHIFT(buf, sizeof(rsp->msgLen));
|
|
rsp->seqNum = *(int64_t*)(buf);
|
|
buf = POINTER_SHIFT(buf, sizeof(rsp->seqNum));
|
|
buf = taosDecodeFixedI64(buf, &rsp->seqNum);
|
|
buf = taosDecodeFixedI8(buf, &rsp->type);
|
|
buf = taosDecodeFixedI32(buf, &rsp->code);
|
|
|
|
switch (rsp->type) {
|
|
case UDF_TASK_SETUP:
|
|
buf = decodeUdfSetupResponse(buf, &rsp->setupRsp);
|
|
break;
|
|
case UDF_TASK_CALL:
|
|
buf = decodeUdfCallResponse(buf, &rsp->callRsp);
|
|
break;
|
|
case UDF_TASK_TEARDOWN:
|
|
buf = decodeUdfTeardownResponse(buf, &rsp->teardownRsp);
|
|
break;
|
|
default:
|
|
//TODO: log error
|
|
break;
|
|
}
|
|
return (void*)buf;
|
|
}
|
|
|
|
void freeUdfColumnData(SUdfColumnData *data, SUdfColumnMeta *meta) {
|
|
if (IS_VAR_DATA_TYPE(meta->type)) {
|
|
taosMemoryFree(data->varLenCol.varOffsets);
|
|
data->varLenCol.varOffsets = NULL;
|
|
taosMemoryFree(data->varLenCol.payload);
|
|
data->varLenCol.payload = NULL;
|
|
} else {
|
|
taosMemoryFree(data->fixLenCol.nullBitmap);
|
|
data->fixLenCol.nullBitmap = NULL;
|
|
taosMemoryFree(data->fixLenCol.data);
|
|
data->fixLenCol.data = NULL;
|
|
}
|
|
}
|
|
|
|
void freeUdfColumn(SUdfColumn* col) {
|
|
freeUdfColumnData(&col->colData, &col->colMeta);
|
|
}
|
|
|
|
void freeUdfDataDataBlock(SUdfDataBlock *block) {
|
|
for (int32_t i = 0; i < block->numOfCols; ++i) {
|
|
freeUdfColumn(block->udfCols[i]);
|
|
taosMemoryFree(block->udfCols[i]);
|
|
block->udfCols[i] = NULL;
|
|
}
|
|
taosMemoryFree(block->udfCols);
|
|
block->udfCols = NULL;
|
|
}
|
|
|
|
void freeUdfInterBuf(SUdfInterBuf *buf) {
|
|
taosMemoryFree(buf->buf);
|
|
buf->buf = NULL;
|
|
}
|
|
|
|
|
|
int32_t convertDataBlockToUdfDataBlock(SSDataBlock *block, SUdfDataBlock *udfBlock) {
|
|
udfBlock->numOfRows = block->info.rows;
|
|
udfBlock->numOfCols = block->info.numOfCols;
|
|
udfBlock->udfCols = taosMemoryCalloc(udfBlock->numOfCols, sizeof(SUdfColumn*));
|
|
for (int32_t i = 0; i < udfBlock->numOfCols; ++i) {
|
|
udfBlock->udfCols[i] = taosMemoryCalloc(1, sizeof(SUdfColumn));
|
|
SColumnInfoData *col= (SColumnInfoData*)taosArrayGet(block->pDataBlock, i);
|
|
SUdfColumn *udfCol = udfBlock->udfCols[i];
|
|
udfCol->colMeta.type = col->info.type;
|
|
udfCol->colMeta.bytes = col->info.bytes;
|
|
udfCol->colMeta.scale = col->info.scale;
|
|
udfCol->colMeta.precision = col->info.precision;
|
|
udfCol->colData.numOfRows = udfBlock->numOfRows;
|
|
if (IS_VAR_DATA_TYPE(udfCol->colMeta.type)) {
|
|
udfCol->colData.varLenCol.varOffsetsLen = sizeof(int32_t) * udfBlock->numOfRows;
|
|
udfCol->colData.varLenCol.varOffsets = taosMemoryMalloc(udfCol->colData.varLenCol.varOffsetsLen);
|
|
memcpy(udfCol->colData.varLenCol.varOffsets, col->varmeta.offset, udfCol->colData.varLenCol.varOffsetsLen);
|
|
udfCol->colData.varLenCol.payloadLen = colDataGetLength(col, udfBlock->numOfRows);
|
|
udfCol->colData.varLenCol.payload = taosMemoryMalloc(udfCol->colData.varLenCol.payloadLen);
|
|
memcpy(udfCol->colData.varLenCol.payload, col->pData, udfCol->colData.varLenCol.payloadLen);
|
|
} else {
|
|
udfCol->colData.fixLenCol.nullBitmapLen = BitmapLen(udfCol->colData.numOfRows);
|
|
int32_t bitmapLen = udfCol->colData.fixLenCol.nullBitmapLen;
|
|
udfCol->colData.fixLenCol.nullBitmap = taosMemoryMalloc(udfCol->colData.fixLenCol.nullBitmapLen);
|
|
char* bitmap = udfCol->colData.fixLenCol.nullBitmap;
|
|
memcpy(bitmap, col->nullbitmap, bitmapLen);
|
|
udfCol->colData.fixLenCol.dataLen = colDataGetLength(col, udfBlock->numOfRows);
|
|
int32_t dataLen = udfCol->colData.fixLenCol.dataLen;
|
|
udfCol->colData.fixLenCol.data = taosMemoryMalloc(udfCol->colData.fixLenCol.dataLen);
|
|
char* data = udfCol->colData.fixLenCol.data;
|
|
memcpy(data, col->pData, dataLen);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int32_t convertUdfColumnToDataBlock(SUdfColumn *udfCol, SSDataBlock *block) {
|
|
block->info.numOfCols = 1;
|
|
block->info.rows = udfCol->colData.numOfRows;
|
|
block->info.hasVarCol = IS_VAR_DATA_TYPE(udfCol->colMeta.type);
|
|
|
|
block->pDataBlock = taosArrayInit(1, sizeof(SColumnInfoData));
|
|
taosArraySetSize(block->pDataBlock, 1);
|
|
SColumnInfoData *col = taosArrayGet(block->pDataBlock, 0);
|
|
SUdfColumnMeta *meta = &udfCol->colMeta;
|
|
col->info.precision = meta->precision;
|
|
col->info.bytes = meta->bytes;
|
|
col->info.scale = meta->scale;
|
|
col->info.type = meta->type;
|
|
SUdfColumnData *data = &udfCol->colData;
|
|
|
|
if (!IS_VAR_DATA_TYPE(meta->type)) {
|
|
col->nullbitmap = taosMemoryMalloc(data->fixLenCol.nullBitmapLen);
|
|
memcpy(col->nullbitmap, data->fixLenCol.nullBitmap, data->fixLenCol.nullBitmapLen);
|
|
col->pData = taosMemoryMalloc(data->fixLenCol.dataLen);
|
|
memcpy(col->pData, data->fixLenCol.data, data->fixLenCol.dataLen);
|
|
} else {
|
|
col->varmeta.offset = taosMemoryMalloc(data->varLenCol.varOffsetsLen);
|
|
memcpy(col->varmeta.offset, data->varLenCol.varOffsets, data->varLenCol.varOffsetsLen);
|
|
col->pData = taosMemoryMalloc(data->varLenCol.payloadLen);
|
|
memcpy(col->pData, data->varLenCol.payload, data->varLenCol.payloadLen);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int32_t convertScalarParamToDataBlock(SScalarParam *input, int32_t numOfCols, SSDataBlock *output) {
|
|
output->info.rows = input->numOfRows;
|
|
output->info.numOfCols = numOfCols;
|
|
bool hasVarCol = false;
|
|
for (int32_t i = 0; i < numOfCols; ++i) {
|
|
if (IS_VAR_DATA_TYPE((input+i)->columnData->info.type)) {
|
|
hasVarCol = true;
|
|
break;
|
|
}
|
|
}
|
|
output->info.hasVarCol = hasVarCol;
|
|
|
|
//TODO: free the array output->pDataBlock
|
|
output->pDataBlock = taosArrayInit(numOfCols, sizeof(SColumnInfoData));
|
|
for (int32_t i = 0; i < numOfCols; ++i) {
|
|
taosArrayPush(output->pDataBlock, (input + i)->columnData);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int32_t convertDataBlockToScalarParm(SSDataBlock *input, SScalarParam *output) {
|
|
if (input->info.numOfCols != 1) {
|
|
fnError("scalar function only support one column");
|
|
return -1;
|
|
}
|
|
output->numOfRows = input->info.rows;
|
|
//TODO: memory
|
|
output->columnData = taosArrayGet(input->pDataBlock, 0);
|
|
return 0;
|
|
}
|
|
|
|
void onUdfcPipeClose(uv_handle_t *handle) {
|
|
SClientUvConn *conn = handle->data;
|
|
if (!QUEUE_EMPTY(&conn->taskQueue)) {
|
|
QUEUE* h = QUEUE_HEAD(&conn->taskQueue);
|
|
SClientUvTaskNode *task = QUEUE_DATA(h, SClientUvTaskNode, connTaskQueue);
|
|
task->errCode = 0;
|
|
QUEUE_REMOVE(&task->procTaskQueue);
|
|
uv_sem_post(&task->taskSem);
|
|
}
|
|
conn->session->udfUvPipe = NULL;
|
|
taosMemoryFree(conn->readBuf.buf);
|
|
taosMemoryFree(conn);
|
|
taosMemoryFree((uv_pipe_t *) handle);
|
|
}
|
|
|
|
int32_t udfcGetUdfTaskResultFromUvTask(SClientUdfTask *task, SClientUvTaskNode *uvTask) {
|
|
fnDebug("udfc get uv task result. task: %p, uvTask: %p", task, uvTask);
|
|
if (uvTask->type == UV_TASK_REQ_RSP) {
|
|
if (uvTask->rspBuf.base != NULL) {
|
|
SUdfResponse rsp;
|
|
void* buf = decodeUdfResponse(uvTask->rspBuf.base, &rsp);
|
|
assert(uvTask->rspBuf.len == POINTER_DISTANCE(buf, uvTask->rspBuf.base));
|
|
task->errCode = rsp.code;
|
|
|
|
switch (task->type) {
|
|
case UDF_TASK_SETUP: {
|
|
//TODO: copy or not
|
|
task->_setup.rsp = rsp.setupRsp;
|
|
break;
|
|
}
|
|
case UDF_TASK_CALL: {
|
|
task->_call.rsp = rsp.callRsp;
|
|
//TODO: copy or not
|
|
break;
|
|
}
|
|
case UDF_TASK_TEARDOWN: {
|
|
task->_teardown.rsp = rsp.teardownRsp;
|
|
//TODO: copy or not?
|
|
break;
|
|
}
|
|
default: {
|
|
break;
|
|
}
|
|
}
|
|
|
|
// TODO: the call buffer is setup and freed by udf invocation
|
|
taosMemoryFree(uvTask->rspBuf.base);
|
|
} else {
|
|
task->errCode = uvTask->errCode;
|
|
}
|
|
} else if (uvTask->type == UV_TASK_CONNECT) {
|
|
task->errCode = uvTask->errCode;
|
|
} else if (uvTask->type == UV_TASK_DISCONNECT) {
|
|
task->errCode = uvTask->errCode;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void udfcAllocateBuffer(uv_handle_t *handle, size_t suggestedSize, uv_buf_t *buf) {
|
|
SClientUvConn *conn = handle->data;
|
|
SClientConnBuf *connBuf = &conn->readBuf;
|
|
|
|
int32_t msgHeadSize = sizeof(int32_t) + sizeof(int64_t);
|
|
if (connBuf->cap == 0) {
|
|
connBuf->buf = taosMemoryMalloc(msgHeadSize);
|
|
if (connBuf->buf) {
|
|
connBuf->len = 0;
|
|
connBuf->cap = msgHeadSize;
|
|
connBuf->total = -1;
|
|
|
|
buf->base = connBuf->buf;
|
|
buf->len = connBuf->cap;
|
|
} else {
|
|
fnError("udfc allocate buffer failure. size: %d", msgHeadSize);
|
|
buf->base = NULL;
|
|
buf->len = 0;
|
|
}
|
|
} else {
|
|
connBuf->cap = connBuf->total > connBuf->cap ? connBuf->total : connBuf->cap;
|
|
void *resultBuf = taosMemoryRealloc(connBuf->buf, connBuf->cap);
|
|
if (resultBuf) {
|
|
connBuf->buf = resultBuf;
|
|
buf->base = connBuf->buf + connBuf->len;
|
|
buf->len = connBuf->cap - connBuf->len;
|
|
} else {
|
|
fnError("udfc re-allocate buffer failure. size: %d", connBuf->cap);
|
|
buf->base = NULL;
|
|
buf->len = 0;
|
|
}
|
|
}
|
|
|
|
fnTrace("conn buf cap - len - total : %d - %d - %d", connBuf->cap, connBuf->len, connBuf->total);
|
|
|
|
}
|
|
|
|
bool isUdfcUvMsgComplete(SClientConnBuf *connBuf) {
|
|
if (connBuf->total == -1 && connBuf->len >= sizeof(int32_t)) {
|
|
connBuf->total = *(int32_t *) (connBuf->buf);
|
|
}
|
|
if (connBuf->len == connBuf->cap && connBuf->total == connBuf->cap) {
|
|
fnTrace("udfc complete message is received, now handle it");
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void udfcUvHandleRsp(SClientUvConn *conn) {
|
|
SClientConnBuf *connBuf = &conn->readBuf;
|
|
int64_t seqNum = *(int64_t *) (connBuf->buf + sizeof(int32_t)); // msglen then seqnum
|
|
|
|
if (QUEUE_EMPTY(&conn->taskQueue)) {
|
|
fnError("udfc no task waiting for response on connection");
|
|
return;
|
|
}
|
|
bool found = false;
|
|
SClientUvTaskNode *taskFound = NULL;
|
|
QUEUE* h = QUEUE_NEXT(&conn->taskQueue);
|
|
SClientUvTaskNode *task = QUEUE_DATA(h, SClientUvTaskNode, connTaskQueue);
|
|
|
|
while (h != &conn->taskQueue) {
|
|
if (task->seqNum == seqNum) {
|
|
if (found == false) {
|
|
found = true;
|
|
taskFound = task;
|
|
} else {
|
|
fnError("udfc more than one task waiting for the same response");
|
|
continue;
|
|
}
|
|
}
|
|
h = QUEUE_NEXT(h);
|
|
task = QUEUE_DATA(h, SClientUvTaskNode, connTaskQueue);
|
|
}
|
|
|
|
if (taskFound) {
|
|
taskFound->rspBuf = uv_buf_init(connBuf->buf, connBuf->len);
|
|
QUEUE_REMOVE(&taskFound->connTaskQueue);
|
|
QUEUE_REMOVE(&taskFound->procTaskQueue);
|
|
uv_sem_post(&taskFound->taskSem);
|
|
} else {
|
|
fnError("no task is waiting for the response.");
|
|
}
|
|
connBuf->buf = NULL;
|
|
connBuf->total = -1;
|
|
connBuf->len = 0;
|
|
connBuf->cap = 0;
|
|
}
|
|
|
|
void udfcUvHandleError(SClientUvConn *conn) {
|
|
while (!QUEUE_EMPTY(&conn->taskQueue)) {
|
|
QUEUE* h = QUEUE_HEAD(&conn->taskQueue);
|
|
SClientUvTaskNode *task = QUEUE_DATA(h, SClientUvTaskNode, connTaskQueue);
|
|
task->errCode = UDFC_CODE_PIPE_READ_ERR;
|
|
QUEUE_REMOVE(&task->connTaskQueue);
|
|
QUEUE_REMOVE(&task->procTaskQueue);
|
|
uv_sem_post(&task->taskSem);
|
|
}
|
|
|
|
uv_close((uv_handle_t *) conn->pipe, onUdfcPipeClose);
|
|
}
|
|
|
|
void onUdfcRead(uv_stream_t *client, ssize_t nread, const uv_buf_t *buf) {
|
|
fnTrace("udfc client %p, client read from pipe. nread: %zd", client, nread);
|
|
if (nread == 0) return;
|
|
|
|
SClientUvConn *conn = client->data;
|
|
SClientConnBuf *connBuf = &conn->readBuf;
|
|
if (nread > 0) {
|
|
connBuf->len += nread;
|
|
if (isUdfcUvMsgComplete(connBuf)) {
|
|
udfcUvHandleRsp(conn);
|
|
}
|
|
|
|
}
|
|
if (nread < 0) {
|
|
fnError("udfc client pipe %p read error: %zd, %s.", client, nread, uv_strerror(nread));
|
|
if (nread == UV_EOF) {
|
|
fnError("\tudfc client pipe %p closed", client);
|
|
}
|
|
udfcUvHandleError(conn);
|
|
}
|
|
|
|
}
|
|
|
|
void onUdfClientWrite(uv_write_t *write, int status) {
|
|
SClientUvTaskNode *uvTask = write->data;
|
|
uv_pipe_t *pipe = uvTask->pipe;
|
|
if (status == 0) {
|
|
SClientUvConn *conn = pipe->data;
|
|
QUEUE_INSERT_TAIL(&conn->taskQueue, &uvTask->connTaskQueue);
|
|
} else {
|
|
fnError("udfc client %p write error.", pipe);
|
|
}
|
|
fnTrace("udfc client %p write length:%zu", pipe, uvTask->reqBuf.len);
|
|
taosMemoryFree(write);
|
|
taosMemoryFree(uvTask->reqBuf.base);
|
|
}
|
|
|
|
void onUdfClientConnect(uv_connect_t *connect, int status) {
|
|
SClientUvTaskNode *uvTask = connect->data;
|
|
uvTask->errCode = status;
|
|
if (status != 0) {
|
|
//TODO: LOG error
|
|
}
|
|
uv_read_start((uv_stream_t *) uvTask->pipe, udfcAllocateBuffer, onUdfcRead);
|
|
taosMemoryFree(connect);
|
|
uv_sem_post(&uvTask->taskSem);
|
|
QUEUE_REMOVE(&uvTask->procTaskQueue);
|
|
}
|
|
|
|
int32_t udfcCreateUvTask(SClientUdfTask *task, int8_t uvTaskType, SClientUvTaskNode **pUvTask) {
|
|
SClientUvTaskNode *uvTask = taosMemoryCalloc(1, sizeof(SClientUvTaskNode));
|
|
uvTask->type = uvTaskType;
|
|
uvTask->udfc = task->session->udfc;
|
|
|
|
if (uvTaskType == UV_TASK_CONNECT) {
|
|
} else if (uvTaskType == UV_TASK_REQ_RSP) {
|
|
uvTask->pipe = task->session->udfUvPipe;
|
|
SUdfRequest request;
|
|
request.type = task->type;
|
|
request.seqNum = atomic_fetch_add_64(&gUdfTaskSeqNum, 1);
|
|
|
|
if (task->type == UDF_TASK_SETUP) {
|
|
request.setup = task->_setup.req;
|
|
request.type = UDF_TASK_SETUP;
|
|
} else if (task->type == UDF_TASK_CALL) {
|
|
request.call = task->_call.req;
|
|
request.type = UDF_TASK_CALL;
|
|
} else if (task->type == UDF_TASK_TEARDOWN) {
|
|
request.teardown = task->_teardown.req;
|
|
request.type = UDF_TASK_TEARDOWN;
|
|
} else {
|
|
//TODO log and return error
|
|
}
|
|
int32_t bufLen = encodeUdfRequest(NULL, &request);
|
|
request.msgLen = bufLen;
|
|
void *bufBegin = taosMemoryMalloc(bufLen);
|
|
void *buf = bufBegin;
|
|
encodeUdfRequest(&buf, &request);
|
|
uvTask->reqBuf = uv_buf_init(bufBegin, bufLen);
|
|
uvTask->seqNum = request.seqNum;
|
|
} else if (uvTaskType == UV_TASK_DISCONNECT) {
|
|
uvTask->pipe = task->session->udfUvPipe;
|
|
}
|
|
uv_sem_init(&uvTask->taskSem, 0);
|
|
|
|
*pUvTask = uvTask;
|
|
return 0;
|
|
}
|
|
|
|
int32_t udfcQueueUvTask(SClientUvTaskNode *uvTask) {
|
|
fnTrace("queue uv task to event loop, task: %d, %p", uvTask->type, uvTask);
|
|
SUdfdProxy *udfc = uvTask->udfc;
|
|
uv_mutex_lock(&udfc->gUdfTaskQueueMutex);
|
|
QUEUE_INSERT_TAIL(&udfc->gUdfTaskQueue, &uvTask->recvTaskQueue);
|
|
uv_mutex_unlock(&udfc->gUdfTaskQueueMutex);
|
|
uv_async_send(&udfc->gUdfLoopTaskAync);
|
|
|
|
uv_sem_wait(&uvTask->taskSem);
|
|
fnInfo("udfc uv task finished. task: %d, %p", uvTask->type, uvTask);
|
|
uv_sem_destroy(&uvTask->taskSem);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int32_t udfcStartUvTask(SClientUvTaskNode *uvTask) {
|
|
fnTrace("event loop start uv task. task: %d, %p", uvTask->type, uvTask);
|
|
switch (uvTask->type) {
|
|
case UV_TASK_CONNECT: {
|
|
uv_pipe_t *pipe = taosMemoryMalloc(sizeof(uv_pipe_t));
|
|
uv_pipe_init(&uvTask->udfc->gUdfdLoop, pipe, 0);
|
|
uvTask->pipe = pipe;
|
|
|
|
SClientUvConn *conn = taosMemoryCalloc(1, sizeof(SClientUvConn));
|
|
conn->pipe = pipe;
|
|
conn->readBuf.len = 0;
|
|
conn->readBuf.cap = 0;
|
|
conn->readBuf.buf = 0;
|
|
conn->readBuf.total = -1;
|
|
QUEUE_INIT(&conn->taskQueue);
|
|
|
|
pipe->data = conn;
|
|
|
|
uv_connect_t *connReq = taosMemoryMalloc(sizeof(uv_connect_t));
|
|
connReq->data = uvTask;
|
|
uv_pipe_connect(connReq, pipe, uvTask->udfc->udfdPipeName, onUdfClientConnect);
|
|
break;
|
|
}
|
|
case UV_TASK_REQ_RSP: {
|
|
uv_pipe_t *pipe = uvTask->pipe;
|
|
uv_write_t *write = taosMemoryMalloc(sizeof(uv_write_t));
|
|
write->data = uvTask;
|
|
uv_write(write, (uv_stream_t *) pipe, &uvTask->reqBuf, 1, onUdfClientWrite);
|
|
break;
|
|
}
|
|
case UV_TASK_DISCONNECT: {
|
|
SClientUvConn *conn = uvTask->pipe->data;
|
|
QUEUE_INSERT_TAIL(&conn->taskQueue, &uvTask->connTaskQueue);
|
|
uv_close((uv_handle_t *) uvTask->pipe, onUdfcPipeClose);
|
|
break;
|
|
}
|
|
default: {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void udfClientAsyncCb(uv_async_t *async) {
|
|
SUdfdProxy *udfc = async->data;
|
|
QUEUE wq;
|
|
|
|
uv_mutex_lock(&udfc->gUdfTaskQueueMutex);
|
|
QUEUE_MOVE(&udfc->gUdfTaskQueue, &wq);
|
|
uv_mutex_unlock(&udfc->gUdfTaskQueueMutex);
|
|
|
|
while (!QUEUE_EMPTY(&wq)) {
|
|
QUEUE* h = QUEUE_HEAD(&wq);
|
|
QUEUE_REMOVE(h);
|
|
SClientUvTaskNode *task = QUEUE_DATA(h, SClientUvTaskNode, recvTaskQueue);
|
|
udfcStartUvTask(task);
|
|
QUEUE_INSERT_TAIL(&udfc->gUvProcTaskQueue, &task->procTaskQueue);
|
|
}
|
|
|
|
}
|
|
|
|
void cleanUpUvTasks(SUdfdProxy *udfc) {
|
|
fnDebug("clean up uv tasks")
|
|
QUEUE wq;
|
|
|
|
uv_mutex_lock(&udfc->gUdfTaskQueueMutex);
|
|
QUEUE_MOVE(&udfc->gUdfTaskQueue, &wq);
|
|
uv_mutex_unlock(&udfc->gUdfTaskQueueMutex);
|
|
|
|
while (!QUEUE_EMPTY(&wq)) {
|
|
QUEUE* h = QUEUE_HEAD(&wq);
|
|
QUEUE_REMOVE(h);
|
|
SClientUvTaskNode *task = QUEUE_DATA(h, SClientUvTaskNode, recvTaskQueue);
|
|
if (udfc->gUdfcState == UDFC_STATE_STOPPING) {
|
|
task->errCode = UDFC_CODE_STOPPING;
|
|
}
|
|
uv_sem_post(&task->taskSem);
|
|
}
|
|
|
|
while (!QUEUE_EMPTY(&udfc->gUvProcTaskQueue)) {
|
|
QUEUE* h = QUEUE_HEAD(&udfc->gUvProcTaskQueue);
|
|
QUEUE_REMOVE(h);
|
|
SClientUvTaskNode *task = QUEUE_DATA(h, SClientUvTaskNode, procTaskQueue);
|
|
if (udfc->gUdfcState == UDFC_STATE_STOPPING) {
|
|
task->errCode = UDFC_CODE_STOPPING;
|
|
}
|
|
uv_sem_post(&task->taskSem);
|
|
}
|
|
}
|
|
|
|
void udfStopAsyncCb(uv_async_t *async) {
|
|
SUdfdProxy *udfc = async->data;
|
|
cleanUpUvTasks(udfc);
|
|
if (udfc->gUdfcState == UDFC_STATE_STOPPING) {
|
|
uv_stop(&udfc->gUdfdLoop);
|
|
}
|
|
}
|
|
|
|
void constructUdfService(void *argsThread) {
|
|
SUdfdProxy *udfc = (SUdfdProxy*)argsThread;
|
|
uv_loop_init(&udfc->gUdfdLoop);
|
|
|
|
uv_async_init(&udfc->gUdfdLoop, &udfc->gUdfLoopTaskAync, udfClientAsyncCb);
|
|
udfc->gUdfLoopTaskAync.data = udfc;
|
|
uv_async_init(&udfc->gUdfdLoop, &udfc->gUdfLoopStopAsync, udfStopAsyncCb);
|
|
udfc->gUdfLoopStopAsync.data = udfc;
|
|
uv_mutex_init(&udfc->gUdfTaskQueueMutex);
|
|
QUEUE_INIT(&udfc->gUdfTaskQueue);
|
|
QUEUE_INIT(&udfc->gUvProcTaskQueue);
|
|
uv_barrier_wait(&udfc->gUdfInitBarrier);
|
|
//TODO return value of uv_run
|
|
uv_run(&udfc->gUdfdLoop, UV_RUN_DEFAULT);
|
|
uv_loop_close(&udfc->gUdfdLoop);
|
|
}
|
|
|
|
int32_t udfcOpen() {
|
|
int8_t old = atomic_val_compare_exchange_8(&gUdfdProxy.initialized, 0, 1);
|
|
if (old == 1) {
|
|
return 0;
|
|
}
|
|
SUdfdProxy *proxy = &gUdfdProxy;
|
|
getUdfdPipeName(proxy->udfdPipeName, sizeof(proxy->udfdPipeName));
|
|
proxy->gUdfcState = UDFC_STATE_STARTNG;
|
|
uv_barrier_init(&proxy->gUdfInitBarrier, 2);
|
|
uv_thread_create(&proxy->gUdfLoopThread, constructUdfService, proxy);
|
|
atomic_store_8(&proxy->gUdfcState, UDFC_STATE_READY);
|
|
proxy->gUdfcState = UDFC_STATE_READY;
|
|
uv_barrier_wait(&proxy->gUdfInitBarrier);
|
|
fnInfo("udfc initialized")
|
|
return 0;
|
|
}
|
|
|
|
int32_t udfcClose() {
|
|
int8_t old = atomic_val_compare_exchange_8(&gUdfdProxy.initialized, 1, 0);
|
|
if (old == 0) {
|
|
return 0;
|
|
}
|
|
|
|
SUdfdProxy *udfc = &gUdfdProxy;
|
|
udfc->gUdfcState = UDFC_STATE_STOPPING;
|
|
uv_async_send(&udfc->gUdfLoopStopAsync);
|
|
uv_thread_join(&udfc->gUdfLoopThread);
|
|
uv_mutex_destroy(&udfc->gUdfTaskQueueMutex);
|
|
uv_barrier_destroy(&udfc->gUdfInitBarrier);
|
|
udfc->gUdfcState = UDFC_STATE_INITAL;
|
|
fnInfo("udfc cleaned up");
|
|
return 0;
|
|
}
|
|
|
|
int32_t udfcRunUdfUvTask(SClientUdfTask *task, int8_t uvTaskType) {
|
|
SClientUvTaskNode *uvTask = NULL;
|
|
|
|
udfcCreateUvTask(task, uvTaskType, &uvTask);
|
|
udfcQueueUvTask(uvTask);
|
|
udfcGetUdfTaskResultFromUvTask(task, uvTask);
|
|
if (uvTaskType == UV_TASK_CONNECT) {
|
|
task->session->udfUvPipe = uvTask->pipe;
|
|
SClientUvConn *conn = uvTask->pipe->data;
|
|
conn->session = task->session;
|
|
}
|
|
taosMemoryFree(uvTask);
|
|
uvTask = NULL;
|
|
return task->errCode;
|
|
}
|
|
|
|
int32_t setupUdf(char udfName[], UdfcFuncHandle *funcHandle) {
|
|
fnInfo("udfc setup udf. udfName: %s", udfName);
|
|
if (gUdfdProxy.gUdfcState != UDFC_STATE_READY) {
|
|
return UDFC_CODE_INVALID_STATE;
|
|
}
|
|
SClientUdfTask *task = taosMemoryCalloc(1,sizeof(SClientUdfTask));
|
|
task->errCode = 0;
|
|
task->session = taosMemoryCalloc(1, sizeof(SClientUdfUvSession));
|
|
task->session->udfc = &gUdfdProxy;
|
|
task->type = UDF_TASK_SETUP;
|
|
|
|
SUdfSetupRequest *req = &task->_setup.req;
|
|
memcpy(req->udfName, udfName, TSDB_FUNC_NAME_LEN);
|
|
|
|
int32_t errCode = udfcRunUdfUvTask(task, UV_TASK_CONNECT);
|
|
if (errCode != 0) {
|
|
fnError("failed to connect to pipe. udfName: %s, pipe: %s", udfName, (&gUdfdProxy)->udfdPipeName);
|
|
return UDFC_CODE_CONNECT_PIPE_ERR;
|
|
}
|
|
|
|
udfcRunUdfUvTask(task, UV_TASK_REQ_RSP);
|
|
|
|
SUdfSetupResponse *rsp = &task->_setup.rsp;
|
|
task->session->severHandle = rsp->udfHandle;
|
|
task->session->outputType = rsp->outputType;
|
|
task->session->outputLen = rsp->outputLen;
|
|
task->session->bufSize = rsp->bufSize;
|
|
if (task->errCode != 0) {
|
|
fnError("failed to setup udf. err: %d", task->errCode)
|
|
} else {
|
|
fnInfo("sucessfully setup udf func handle. handle: %p", task->session);
|
|
*funcHandle = task->session;
|
|
}
|
|
int32_t err = task->errCode;
|
|
taosMemoryFree(task);
|
|
return err;
|
|
}
|
|
|
|
int32_t callUdf(UdfcFuncHandle handle, int8_t callType, SSDataBlock *input, SUdfInterBuf *state, SUdfInterBuf *state2,
|
|
SSDataBlock* output, SUdfInterBuf *newState) {
|
|
fnTrace("udfc call udf. callType: %d, funcHandle: %p", callType, handle);
|
|
SClientUdfUvSession *session = (SClientUdfUvSession *) handle;
|
|
if (session->udfUvPipe == NULL) {
|
|
fnError("No pipe to udfd");
|
|
return UDFC_CODE_NO_PIPE;
|
|
}
|
|
SClientUdfTask *task = taosMemoryCalloc(1, sizeof(SClientUdfTask));
|
|
task->errCode = 0;
|
|
task->session = (SClientUdfUvSession *) handle;
|
|
task->type = UDF_TASK_CALL;
|
|
|
|
SUdfCallRequest *req = &task->_call.req;
|
|
req->udfHandle = task->session->severHandle;
|
|
req->callType = callType;
|
|
|
|
switch (callType) {
|
|
case TSDB_UDF_CALL_AGG_INIT: {
|
|
req->initFirst = 1;
|
|
break;
|
|
}
|
|
case TSDB_UDF_CALL_AGG_PROC: {
|
|
req->block = *input;
|
|
req->interBuf = *state;
|
|
break;
|
|
}
|
|
case TSDB_UDF_CALL_AGG_MERGE: {
|
|
req->interBuf = *state;
|
|
req->interBuf2 = *state2;
|
|
break;
|
|
}
|
|
case TSDB_UDF_CALL_AGG_FIN: {
|
|
req->interBuf = *state;
|
|
break;
|
|
}
|
|
case TSDB_UDF_CALL_SCALA_PROC: {
|
|
req->block = *input;
|
|
break;
|
|
}
|
|
}
|
|
|
|
udfcRunUdfUvTask(task, UV_TASK_REQ_RSP);
|
|
|
|
if (task->errCode != 0) {
|
|
fnError("call udf failure. err: %d", task->errCode);
|
|
} else {
|
|
SUdfCallResponse *rsp = &task->_call.rsp;
|
|
switch (callType) {
|
|
case TSDB_UDF_CALL_AGG_INIT: {
|
|
*newState = rsp->resultBuf;
|
|
break;
|
|
}
|
|
case TSDB_UDF_CALL_AGG_PROC: {
|
|
*newState = rsp->resultBuf;
|
|
break;
|
|
}
|
|
case TSDB_UDF_CALL_AGG_MERGE: {
|
|
*newState = rsp->resultBuf;
|
|
break;
|
|
}
|
|
case TSDB_UDF_CALL_AGG_FIN: {
|
|
*newState = rsp->resultBuf;
|
|
break;
|
|
}
|
|
case TSDB_UDF_CALL_SCALA_PROC: {
|
|
*output = rsp->resultData;
|
|
break;
|
|
}
|
|
}
|
|
};
|
|
int err = task->errCode;
|
|
taosMemoryFree(task);
|
|
return err;
|
|
}
|
|
|
|
int32_t callUdfAggInit(UdfcFuncHandle handle, SUdfInterBuf *interBuf) {
|
|
int8_t callType = TSDB_UDF_CALL_AGG_INIT;
|
|
|
|
int32_t err = callUdf(handle, callType, NULL, NULL, NULL, NULL, interBuf);
|
|
|
|
return err;
|
|
}
|
|
|
|
// input: block, state
|
|
// output: interbuf,
|
|
int32_t callUdfAggProcess(UdfcFuncHandle handle, SSDataBlock *block, SUdfInterBuf *state, SUdfInterBuf *newState) {
|
|
int8_t callType = TSDB_UDF_CALL_AGG_PROC;
|
|
int32_t err = callUdf(handle, callType, block, state, NULL, NULL, newState);
|
|
return err;
|
|
}
|
|
|
|
// input: interbuf1, interbuf2
|
|
// output: resultBuf
|
|
int32_t callUdfAggMerge(UdfcFuncHandle handle, SUdfInterBuf *interBuf1, SUdfInterBuf *interBuf2, SUdfInterBuf *resultBuf) {
|
|
int8_t callType = TSDB_UDF_CALL_AGG_MERGE;
|
|
int32_t err = callUdf(handle, callType, NULL, interBuf1, interBuf2, NULL, resultBuf);
|
|
return err;
|
|
}
|
|
|
|
// input: interBuf
|
|
// output: resultData
|
|
int32_t callUdfAggFinalize(UdfcFuncHandle handle, SUdfInterBuf *interBuf, SUdfInterBuf *resultData) {
|
|
int8_t callType = TSDB_UDF_CALL_AGG_FIN;
|
|
int32_t err = callUdf(handle, callType, NULL, interBuf, NULL, NULL, resultData);
|
|
return err;
|
|
}
|
|
|
|
int32_t callUdfScalarFunc(UdfcFuncHandle handle, SScalarParam *input, int32_t numOfCols, SScalarParam* output) {
|
|
int8_t callType = TSDB_UDF_CALL_SCALA_PROC;
|
|
SSDataBlock inputBlock = {0};
|
|
convertScalarParamToDataBlock(input, numOfCols, &inputBlock);
|
|
SSDataBlock resultBlock = {0};
|
|
int32_t err = callUdf(handle, callType, &inputBlock, NULL, NULL, &resultBlock, NULL);
|
|
if (err == 0) {
|
|
convertDataBlockToScalarParm(&resultBlock, output);
|
|
}
|
|
return err;
|
|
}
|
|
|
|
int32_t teardownUdf(UdfcFuncHandle handle) {
|
|
fnInfo("tear down udf. udf func handle: %p", handle);
|
|
|
|
SClientUdfUvSession *session = (SClientUdfUvSession *) handle;
|
|
if (session->udfUvPipe == NULL) {
|
|
fnError("pipe to udfd does not exist");
|
|
return UDFC_CODE_NO_PIPE;
|
|
}
|
|
|
|
SClientUdfTask *task = taosMemoryCalloc(1, sizeof(SClientUdfTask));
|
|
task->errCode = 0;
|
|
task->session = session;
|
|
task->type = UDF_TASK_TEARDOWN;
|
|
|
|
SUdfTeardownRequest *req = &task->_teardown.req;
|
|
req->udfHandle = task->session->severHandle;
|
|
|
|
udfcRunUdfUvTask(task, UV_TASK_REQ_RSP);
|
|
|
|
SUdfTeardownResponse *rsp = &task->_teardown.rsp;
|
|
|
|
int32_t err = task->errCode;
|
|
|
|
udfcRunUdfUvTask(task, UV_TASK_DISCONNECT);
|
|
|
|
taosMemoryFree(task->session);
|
|
taosMemoryFree(task);
|
|
|
|
return err;
|
|
}
|
|
|
|
//memory layout |---SUdfAggRes----|-----final result-----|---inter result----|
|
|
typedef struct SUdfAggRes {
|
|
SClientUdfUvSession *session;
|
|
int8_t finalResNum;
|
|
int8_t interResNum;
|
|
char* finalResBuf;
|
|
char* interResBuf;
|
|
} SUdfAggRes;
|
|
|
|
bool udfAggGetEnv(struct SFunctionNode* pFunc, SFuncExecEnv* pEnv) {
|
|
if (fmIsScalarFunc(pFunc->funcId)) {
|
|
return false;
|
|
}
|
|
pEnv->calcMemSize = sizeof(SUdfAggRes) + pFunc->node.resType.bytes + pFunc->udfBufSize;
|
|
return true;
|
|
}
|
|
|
|
bool udfAggInit(struct SqlFunctionCtx *pCtx, struct SResultRowEntryInfo* pResultCellInfo) {
|
|
if (functionSetup(pCtx, pResultCellInfo) != true) {
|
|
return false;
|
|
}
|
|
UdfcFuncHandle handle;
|
|
int32_t udfCode = 0;
|
|
if ((udfCode = setupUdf((char*)pCtx->udfName, &handle)) != 0) {
|
|
fnError("udfAggInit error. step setupUdf. udf code: %d", udfCode);
|
|
return false;
|
|
}
|
|
SClientUdfUvSession *session = (SClientUdfUvSession *)handle;
|
|
SUdfAggRes *udfRes = (SUdfAggRes*)GET_ROWCELL_INTERBUF(pResultCellInfo);
|
|
int32_t envSize = sizeof(SUdfAggRes) + session->outputLen + session->bufSize;
|
|
memset(udfRes, 0, envSize);
|
|
|
|
udfRes->finalResBuf = (char*)udfRes + sizeof(SUdfAggRes);
|
|
udfRes->interResBuf = (char*)udfRes + sizeof(SUdfAggRes) + session->outputLen;
|
|
|
|
udfRes->session = (SClientUdfUvSession *)handle;
|
|
SUdfInterBuf buf = {0};
|
|
if ((udfCode = callUdfAggInit(handle, &buf)) != 0) {
|
|
fnError("udfAggInit error. step callUdfAggInit. udf code: %d", udfCode);
|
|
return false;
|
|
}
|
|
udfRes->interResNum = buf.numOfResult;
|
|
memcpy(udfRes->interResBuf, buf.buf, buf.bufLen);
|
|
return true;
|
|
}
|
|
|
|
int32_t udfAggProcess(struct SqlFunctionCtx *pCtx) {
|
|
SInputColumnInfoData* pInput = &pCtx->input;
|
|
int32_t numOfCols = pInput->numOfInputCols;
|
|
|
|
SUdfAggRes* udfRes = (SUdfAggRes *)GET_ROWCELL_INTERBUF(GET_RES_INFO(pCtx));
|
|
SClientUdfUvSession *session = udfRes->session;
|
|
udfRes->finalResBuf = (char*)udfRes + sizeof(SUdfAggRes);
|
|
udfRes->interResBuf = (char*)udfRes + sizeof(SUdfAggRes) + session->outputLen;
|
|
|
|
int32_t start = pInput->startRowIndex;
|
|
int32_t numOfRows = pInput->numOfRows;
|
|
|
|
|
|
SSDataBlock tempBlock = {0};
|
|
tempBlock.info.numOfCols = numOfCols;
|
|
tempBlock.info.rows = numOfRows;
|
|
tempBlock.info.uid = pInput->uid;
|
|
bool hasVarCol = false;
|
|
tempBlock.pDataBlock = taosArrayInit(numOfCols, sizeof(SColumnInfoData));
|
|
|
|
for (int32_t i = 0; i < numOfCols; ++i) {
|
|
SColumnInfoData *col = pInput->pData[i];
|
|
if (IS_VAR_DATA_TYPE(col->info.type)) {
|
|
hasVarCol = true;
|
|
}
|
|
taosArrayPush(tempBlock.pDataBlock, col);
|
|
}
|
|
tempBlock.info.hasVarCol = hasVarCol;
|
|
|
|
SSDataBlock *inputBlock = blockDataExtractBlock(&tempBlock, start, numOfRows);
|
|
|
|
SUdfInterBuf state = {.buf = udfRes->interResBuf,
|
|
.bufLen = session->bufSize,
|
|
.numOfResult = udfRes->interResNum};
|
|
SUdfInterBuf newState = {0};
|
|
|
|
int32_t udfCode = callUdfAggProcess(session, inputBlock, &state, &newState);
|
|
if (udfCode != 0) {
|
|
fnError("udfAggProcess error. code: %d", udfCode);
|
|
newState.numOfResult = 0;
|
|
} else {
|
|
udfRes->interResNum = newState.numOfResult;
|
|
memcpy(udfRes->interResBuf, newState.buf, newState.bufLen);
|
|
}
|
|
if (newState.numOfResult == 1 || state.numOfResult == 1) {
|
|
GET_RES_INFO(pCtx)->numOfRes = 1;
|
|
}
|
|
|
|
blockDataDestroy(inputBlock);
|
|
taosArrayDestroy(tempBlock.pDataBlock);
|
|
|
|
taosMemoryFree(newState.buf);
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
int32_t udfAggFinalize(struct SqlFunctionCtx *pCtx, SSDataBlock* pBlock) {
|
|
SUdfAggRes* udfRes = (SUdfAggRes *)GET_ROWCELL_INTERBUF(GET_RES_INFO(pCtx));
|
|
SClientUdfUvSession *session = udfRes->session;
|
|
udfRes->finalResBuf = (char*)udfRes + sizeof(SUdfAggRes);
|
|
udfRes->interResBuf = (char*)udfRes + sizeof(SUdfAggRes) + session->outputLen;
|
|
|
|
|
|
SUdfInterBuf resultBuf = {0};
|
|
SUdfInterBuf state = {.buf = udfRes->interResBuf,
|
|
.bufLen = session->bufSize,
|
|
.numOfResult = udfRes->interResNum};
|
|
int32_t udfCallCode= 0;
|
|
udfCallCode= callUdfAggFinalize(session, &state, &resultBuf);
|
|
if (udfCallCode!= 0) {
|
|
fnError("udfAggFinalize error. callUdfAggFinalize step. udf code:%d", udfCallCode);
|
|
GET_RES_INFO(pCtx)->numOfRes = 0;
|
|
} else {
|
|
memcpy(udfRes->finalResBuf, resultBuf.buf, session->outputLen);
|
|
udfRes->finalResNum = resultBuf.numOfResult;
|
|
GET_RES_INFO(pCtx)->numOfRes = udfRes->finalResNum;
|
|
}
|
|
|
|
int32_t code = teardownUdf(session);
|
|
if (code != 0) {
|
|
fnError("udfAggFinalize error. teardownUdf step. udf code: %d", code);
|
|
}
|
|
|
|
return functionFinalizeWithResultBuf(pCtx, pBlock, udfRes->finalResBuf);
|
|
|
|
} |